Home / 40,076.28-55,309.40-23,081.08

Finding the Fourth Proportional to 40,076.28, 55,309.40 and 23,081.08

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Solution

The fourth proportional to 40,076.28, 55,309.40 and 23,081.08 is: 31,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,076.28 : 55,309.40 = 23,081.08 : x
  2. Step 2: Convert to fraction form
    40,076.28/55,309.40 = 23,081.08/x
  3. Step 3: Cross multiply
    40,076.28x = 55,309.40 × 23,081.08
  4. Step 4: Simplify right side
    40,076.28x = 1,276,600,686.15
  5. Step 5: Solve for x
    x = 1,276,600,686.15/40,076.28
  6. Step 6: Final answer
    x = 31,854.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.